Ambulatory Blood Pressure Monitor 90217 Service Manual
4-6
d Verify that TP7 is between +4.605 and +4.611 volts. If not, readjust R22 to obtain
+4.608 ±0.002 V.
3 Measure the +5 V supply (TP6) on the Main Board.
a Connect a DC voltmeter with the positive test lead on TP6 (+5 volts) and the negative on
TP9 (ground).
b Verify that TP6 measures between +5.05 and +4.95 volts. If not, adjust R78 on the power
board until TP6 measures +5.0 ±0.01 volts.
4 Replace the back cover of the 90217 case (removed in step 1).
TP9 TP8
TP7
TP6
R42
R49
R22
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